Katy Perry had a message for those who doubted her after she sold out Madison Square Garden in New York City during her ...

Ahead of the final Canadian stop of her Lifetimes Tour, Katy Perry shared a picture of a bloody knee injury she sustained while performing on stage.

Former Canadian Prime Minister Justin Trudeau and Katy Perry have sparked speculation after dining together in Montreal.

Katy Perry's will give her testimony on August 26 in a $15 million Montecito mansion lawsuit against the Wescott family. The ...

While many have criticized the pop star’s sky high antics and most recent album 143, The Lifetimes Tour stands as a testament ...

The pop star performed from her list of hits, including “I Kissed a Girl,” “Last Friday Night,” “Roar” and more.

The show was classic Katy Perry — unpredictable, playful and wholly captivating — keeping fans on the edge of their seats. Perry also recalled her Nashville past. "Y'all taught me how to write a song.

Less than a month after Katy Perry announced her split from actor Orlando Bloom, some fans captured Justin Trudeau solo at her concert.

A heartwarming video captured a couple getting engaged on stage during Katy Perry’s Madison Square Garden concert in New York ...

Screen siren Cameron Diaz skipped the glam squad and stepped out in New York City with no makeup and her blond hair tied up ...

Katy Perry posted an Instagram on Wednesday, Aug. 6, featuring highlights of her ongoing 'Lifetimes' tour and summer adventures, including sweet moments with her 4½-year-old daughter, Daisy Dove ...